Partial Discharge Measurement and Analysis on Power Cables

Partial discharge (PD) phenomena are local dielectric breakdowns of a small portion of electrical insulation that is subjected to high-voltage stress. 

PD can be the result of internal weak spots in power cables, such as voids, cracks or particles. It is also caused by damage to the outer semi-conductive layer of cables or to joints and terminations during installation.

PD measurement and analysis based on IEC 60270, IEC 60840 and IEC 62067 standards are an importance means of inspecting the insulation quality of power cables and cable accessories during manufacturing, on-site cable commissioning (acceptance testing) and troubleshooting when in service.

Expert recommends

MPD 800

Our MPD 800 universal partial discharge (PD) measurement and analysis system represents the next generation of our widely-used and innovative MPD PD testing technology. Enhanced and newly-added hardware and software features ensure highly-sensitive multi-channel PD measurements for reliable, industry-standard PD testing on power cables, joints and terminations. It accurately detects and localizes insulation defects and helps you to reliably assess insulation integrity and the risk of equipment failure.

Benefits of this solution

Other solutions

CPC 100 + MPD 800 +70 kV High-Voltage Upgrade Option

The compact and lightweight High Power 70 kV upgrade option is used as an external HV source with the CPC 100 multi-functional electrical testing system and MPD Series partial discharge (PD) analysis systems for off-line measurements on HV equipment. It is suitable for voltage withstand tests as well as PD measurements.

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MPD 800 – Universal partial discharge measurement and analysis system

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Partial discharge testing on power cables

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